Sorry, this may not be an answer to your question, but...
I saw a "Cops" episode where someone complained about the neighbors dogs barking at night. The cop wouldn't/couldn't do anything and said "They're dogs, they are going to bark. There's not much you can do about it, other than move out."
Though the law may be different in other areas.

But I would not want my dogs barking either. I try to be considerate of our neighbors. If my dogs bark after dark, I just tell them "No!" and they usually stop. If not, I just bring them inside. Sorry I couldn't help!